User's Manual

It is of interest to note that the color coded Synflex Nylon Tubing is used to pipe the air
brake system on the Ford “L Series.” Color coding is as follows:
Red: Secondary System – Green: Primary System – Orange: Spring Brake System
In the near future, Service Data and Instruction Sheets will be released on the E-7 Dual
Brake Valve, R-7 Modulating Valve and VM-1 Control Valve Manifold, describing in
detail, operation, maintenance, and disassembly and assembly procedures. Information
regarding maintenance kits and Repair Exchange piece numbers will also soon be
released.